| All Patents in class 144/117.4 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 1,356,337 | Oct. 19, 1920 | A.A. Clarke | Surface-treating machine | drum sanders |
| 1,356,338 | Oct. 19, 1920 | A.A. Clarke | Surface-treating device | |
| 1,366,633 | Jan. 25, 1921 | A.A. Clarke | Work-engaging support for surface-treating machine | drum sanders |
| 1,374,345 | Apr. 12, 1921 | H.H. Wolfe | Tension means for floor-surfacing machines | sanding machines |
| 1,390,501 | Sep. 13, 1921 | A.A. Clarke | Motor-driven surface-treating machine | drum sanders |
| 1,396,762 | Nov. 15, 1921 | G.L. Kraber | Rotor for cutter-heads | handheld power planers |
| 1,406,275 | Feb. 14, 1922 | C.G. Norman | Sandpapering machine | sanding machines |
| 1,407,381 | Feb. 21, 1922 | A.A. Clarke | Surface-treating tool | drum sanders |
| 1,874,331 | Aug. 30, 1932 | L.T. Medholdt | Knife grinder support for woodworking machines | wood planers |
| 2,277,236 | Mar. 24, 1942 | R.F. Kneisley, O.M. St. John | Surfacing machine | sanding machines |
| 2,395,268 | Feb. 19, 1946 | C.E. Goodridge | Hand plane | handheld power planers |
| 2,583,637 | Jan. 29, 1952 | W.F. Draper | Portable electric planer | handheld power planers |
| 2,600,279 | Jun. 10, 1952 | H.A. Spitzley | Portable power-driven planer | handheld power planers |
| 2,600,859 | Jun. 17, 1952 | R. Drysdale | Hand electric plane | handheld power planers |
| 3,126,929 | Mar. 31, 1964 | D.H. Pedersen | Power-operated hand manipulated block plane | handheld power planers |
